Breathing in Dublin

Air pollution in Dublin at the weekend was back to levels not seen since before the ban on ______ was introduced 30 years ago.

Fine particulate matter (PM) is suspended dust that, when inhaled, has an adverse effect on respiratory diseases and is associated with chronic obstructive pulmonary disease, bronchial asthma, strokes, heart disease and some cancers while increasing the mortality rates of these diseases. ______ is associated with pollution from burning solid fuels.

Data from the Environmental Protection Agency confirmed air pollution levels were up to 15 times higher than EU. PM2.5 is associated with pollution from burning solid fuels, while ______ is associated with pollution from traffic.